2B4N

Solution Structure of Glucose-Dependent Insulinotropic Polypeptide

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	DQF-COSY	2mM GIP, 90% H2O, 10% D2O	90% H2O/10% D2O		3.3	AMBIENT	298
2	2D TOCSY	2mM GIP, 90% H2O, 10% D2O	90% H2O/10% D2O		3.3	AMBIENT	298
3	2D NOESY	2mM GIP, 90% H2O, 10% D2O	90% H2O/10% D2O		3.3	AMBIENT	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DRX	800
3	Bruker	DRX	900

NMR Refinement
Method	Details	Software
TORSION ANGLE DYNAMICS, SIMULATED ANNEALING, CONJUGATE-GRADIENT MINIMISATION, POWELL MINIMISATION		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	200
Conformers Submitted Total Number	20
Representative Model	1 (lowest target function)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	XwinNMR	3.5	BRUKER
2	processing	XwinNMR	3.5	BRUKER
3	data analysis	Sparky	3.110	GODDARD AND KNELLER
4	structure solution	CYANA	1.0.6	GUENTERT
5	refinement	SYBYL	6.81